<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
  <title>关于我们 - 社交圈</title>
  <!-- Bootstrap 5 CSS -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
  <!-- Font Awesome -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css">
  
  <style>
    :root {
      --primary: #3B82F6;
      --primary-light: #EFF6FF;
      --secondary: #6366F1;
      --text-primary: #1F2937;
      --text-secondary: #6B7280;
      --bg-light: #F9FAFB;
      --bg-white: #FFFFFF;
      --border-light: #E5E7EB;
    }
    
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-primary);
      line-height: 1.6;
      padding-top: 56px;
      font-size: 15px;
    }
    
    /* 顶部导航 */
    .navbar {
      background-color: var(--bg-white);
      box-shadow: 0 2px 4px rgba(0,0,0,0.05);
      padding: 0.75rem 1rem;
    }
    
    .navbar-brand {
      color: var(--text-primary);
      font-weight: 600;
      font-size: 18px;
    }
    
    .nav-link {
      color: var(--text-primary);
      padding: 0.5rem;
    }
    
    /* 关于我们容器 */
    .about-container {
      padding-bottom: 20px;
    }
    
    /* 品牌头部 */
    .brand-header {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: white;
      padding: 40px 20px 30px;
      text-align: center;
    }
    
    .brand-logo {
      width: 80px;
      height: 80px;
      background-color: white;
      border-radius: 50%;
      margin: 0 auto 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
    }
    
    .brand-name {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    
    .brand-slogan {
      font-size: 15px;
      opacity: 0.9;
      max-width: 280px;
      margin: 0 auto;
    }
    
    /* 统计数据 */
    .stats-bar {
      background-color: var(--bg-white);
      padding: 20px 15px;
      margin: -20px 15px 20px;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      display: flex;
      justify-content: space-around;
    }
    
    .stat-item {
      text-align: center;
    }
    
    .stat-value {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 3px;
    }
    
    .stat-label {
      font-size: 12px;
      color: var(--text-secondary);
    }
    
    /* 内容区块 */
    .content-section {
      background-color: var(--bg-white);
      border-radius: 12px;
      padding: 25px 18px;
      margin: 0 15px 15px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }
    
    .section-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 15px;
      color: var(--text-primary);
      display: flex;
      align-items: center;
    }
    
    .section-title i {
      color: var(--primary);
      margin-right: 10px;
      font-size: 20px;
    }
    
    .section-content {
      color: var(--text-primary);
    }
    
    .section-content p {
      margin-bottom: 12px;
    }
    
    /* 团队展示 */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 15px;
    }
    
    .team-member {
      text-align: center;
    }
    
    .member-avatar {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      object-fit: cover;
      margin: 0 auto 10px;
      border: 3px solid var(--primary-light);
    }
    
    .member-name {
      font-weight: 600;
      margin-bottom: 3px;
    }
    
    .member-role {
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 8px;
    }
    
    .member-social {
      display: flex;
      justify-content: center;
      gap: 10px;
      font-size: 14px;
    }
    
    .member-social a {
      color: var(--text-secondary);
      transition: color 0.2s;
    }
    
    .member-social a:hover {
      color: var(--primary);
    }
    
    /* 发展历程 */
    .timeline {
      position: relative;
      margin-left: 15px;
      padding-left: 25px;
    }
    
    .timeline::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 2px;
      background-color: var(--primary-light);
    }
    
    .timeline-item {
      position: relative;
      margin-bottom: 25px;
    }
    
    .timeline-item:last-child {
      margin-bottom: 0;
    }
    
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -30px;
      top: 0;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background-color: var(--primary);
      border: 3px solid var(--primary-light);
    }
    
    .timeline-date {
      font-size: 13px;
      color: var(--primary);
      font-weight: 500;
      margin-bottom: 5px;
    }
    
    .timeline-content {
      background-color: var(--primary-light);
      padding: 12px 15px;
      border-radius: 8px;
    }
    
    .timeline-title {
      font-weight: 600;
      margin-bottom: 5px;
      font-size: 15px;
    }
    
    .timeline-desc {
      font-size: 14px;
      color: var(--text-secondary);
    }
    
    /* 联系我们 */
    .contact-list {
      margin-top: 15px;
    }
    
    .contact-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 18px;
    }
    
    .contact-item:last-child {
      margin-bottom: 0;
    }
    
    .contact-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-right: 12px;
      flex-shrink: 0;
    }
    
    .contact-info {
      flex: 1;
    }
    
    .contact-title {
      font-weight: 500;
      margin-bottom: 3px;
      font-size: 15px;
    }
    
    .contact-value {
      color: var(--text-secondary);
      font-size: 14px;
    }
    
    .contact-value a {
      color: var(--primary);
      text-decoration: none;
    }
    
    /* 社交媒体 */
    .social-links {
      display: flex;
      gap: 15px;
      margin-top: 20px;
    }
    
    .social-link {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      transition: all 0.3s;
    }
    
    .social-link:hover {
      background-color: var(--primary);
      color: white;
      transform: translateY(-3px);
    }
    
    /* 底部菜单 */
    .bottom-links {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      justify-content: center;
      padding: 20px 15px;
    }
    
    .bottom-link {
      color: var(--text-secondary);
      font-size: 14px;
      text-decoration: none;
    }
    
    .bottom-link:hover {
      color: var(--primary);
      text-decoration: underline;
    }
    
    /* 版权信息 */
    .copyright {
      text-align: center;
      color: var(--text-secondary);
      font-size: 13px;
      padding: 15px;
      border-top: 1px solid var(--border-light);
      margin: 0 15px;
    }
  </style>
</head>
<body>
  <!-- 顶部导航 -->
  <nav class="navbar navbar-light fixed-top">
    <div class="container-fluid">
      <a class="nav-link" href="#" aria-label="返回">
        <i class="fa fa-arrow-left"></i>
      </a>
      <span class="navbar-brand mb-0">关于我们</span>
      <a class="nav-link" href="#" aria-label="更多">
        <i class="fa fa-ellipsis-v"></i>
      </a>
    </div>
  </nav>
  
  <div class="about-container">
    <!-- 品牌头部 -->
    <div class="brand-header">
      <div class="brand-logo">
        <i class="fa fa-connectdevelop" style="color: var(--primary);"></i>
      </div>
      <div class="brand-name">社交圈</div>
      <div class="brand-slogan">连接世界，分享美好，让社交更有温度</div>
    </div>
    
    <!-- 统计数据 -->
    <div class="stats-bar">
      <div class="stat-item">
        <div class="stat-value">500万+</div>
        <div class="stat-label">注册用户</div>
      </div>
      <div class="stat-item">
        <div class="stat-value">200万+</div>
        <div class="stat-label">月活跃用户</div>
      </div>
      <div class="stat-item">
        <div class="stat-value">3年</div>
        <div class="stat-label">发展历程</div>
      </div>
      <div class="stat-item">
        <div class="stat-value">20+</div>
        <div class="stat-label">城市覆盖</div>
      </div>
    </div>
    
    <!-- 公司简介 -->
    <div class="content-section">
      <div class="section-title">
        <i class="fa fa-building-o"></i>公司简介
      </div>
      <div class="section-content">
        <p>社交圈成立于2020年，是一家专注于打造真实、温暖社交体验的互联网公司。我们致力于通过创新的技术和产品设计，帮助人们建立更有价值的社交连接。</p>
        <p>我们相信，真正的社交不应只是冰冷的线上互动，而应是能够传递情感、分享生活、创造回忆的温暖体验。因此，我们始终坚持以用户为中心，不断优化产品功能，提升用户体验。</p>
        <p>经过三年的发展，社交圈已成为国内知名的社交平台之一，拥有超过500万注册用户，日均活跃用户超过50万。我们将继续秉持"连接世界，分享美好"的使命，为用户创造更有温度的社交空间。</p>
      </div>
    </div>
    
    <!-- 我们的使命与愿景 -->
    <div class="content-section">
      <div class="section-title">
        <i class="fa fa-lightbulb-o"></i>使命与愿景
      </div>
      <div class="section-content">
        <p><strong>我们的使命</strong>：通过技术创新，消除人与人之间的隔阂，让连接更简单，让社交更有温度。</p>
        <p><strong>我们的愿景</strong>：成为最受用户信赖的社交平台，帮助每个人找到属于自己的社交圈，丰富人们的精神生活。</p>
        <p><strong>我们的价值观</strong>：用户至上、诚信正直、创新进取、合作共赢。</p>
      </div>
    </div>
    
    <!-- 核心团队 -->
    <div class="content-section">
      <div class="section-title">
        <i class="fa fa-users"></i>核心团队
      </div>
      <div class="section-content">
        <p>我们拥有一支充满激情、专业高效的团队，核心成员来自国内外知名互联网公司，拥有丰富的社交产品研发和运营经验。</p>
        
        <div class="team-grid">
          <div class="team-member">
            <img src="https://picsum.photos/200/200?random=1" alt="张小明" class="member-avatar">
            <div class="member-name">张小明</div>
            <div class="member-role">创始人 & CEO</div>
            <div class="member-social">
              <a href="#"><i class="fa fa-linkedin"></i></a>
              <a href="#"><i class="fa fa-github"></i></a>
            </div>
          </div>
          
          <div class="team-member">
            <img src="https://picsum.photos/200/200?random=2" alt="李华" class="member-avatar">
            <div class="member-name">李华</div>
            <div class="member-role">产品总监</div>
            <div class="member-social">
              <a href="#"><i class="fa fa-linkedin"></i></a>
              <a href="#"><i class="fa fa-twitter"></i></a>
            </div>
          </div>
          
          <div class="team-member">
            <img src="https://picsum.photos/200/200?random=3" alt="王强" class="member-avatar">
            <div class="member-name">王强</div>
            <div class="member-role">技术负责人</div>
            <div class="member-social">
              <a href="#"><i class="fa fa-linkedin"></i></a>
              <a href="#"><i class="fa fa-github"></i></a>
            </div>
          </div>
          
          <div class="team-member">
            <img src="https://picsum.photos/200/200?random=4" alt="赵敏" class="member-avatar">
            <div class="member-name">赵敏</div>
            <div class="member-role">运营总监</div>
            <div class="member-social">
              <a href="#"><i class="fa fa-linkedin"></i></a>
              <a href="#"><i class="fa fa-weibo"></i></a>
            </div>
          </div>
        </div>
      </div>
    </div>
    
    <!-- 发展历程 -->
    <div class="content-section">
      <div class="section-title">
        <i class="fa fa-history"></i>发展历程
      </div>
      <div class="section-content">
        <div class="timeline">
          <div class="timeline-item">
            <div class="timeline-date">2020年3月</div>
            <div class="timeline-content">
              <div class="timeline-title">公司成立</div>
              <div class="timeline-desc">社交圈在北京成立，创始团队5人，确立"让社交更有温度"的产品理念</div>
            </div>
          </div>
          
          <div class="timeline-item">
            <div class="timeline-date">2020年10月</div>
            <div class="timeline-content">
              <div class="timeline-title">产品正式上线</div>
              <div class="timeline-desc">社交圈1.0版本正式发布，上线3个月用户突破10万</div>
            </div>
          </div>
          
          <div class="timeline-item">
            <div class="timeline-date">2021年5月</div>
            <div class="timeline-content">
              <div class="timeline-title">完成A轮融资</div>
              <div class="timeline-desc">获得知名投资机构1000万人民币投资，团队扩张至30人</div>
            </div>
          </div>
          
          <div class="timeline-item">
            <div class="timeline-date">2022年2月</div>
            <div class="timeline-content">
              <div class="timeline-title">用户突破200万</div>
              <div class="timeline-desc">注册用户突破200万，推出短视频社交功能，月活增长50%</div>
            </div>
          </div>
          
          <div class="timeline-item">
            <div class="timeline-date">2023年6月</div>
            <div class="timeline-content">
              <div class="timeline-title">完成B轮融资</div>
              <div class="timeline-desc">获得5000万人民币融资，估值达5亿，计划拓展海外市场</div>
            </div>
          </div>
        </div>
      </div>
    </div>
    
    <!-- 联系我们 -->
    <div class="content-section">
      <div class="section-title">
        <i class="fa fa-envelope-o"></i>联系我们
      </div>
      <div class="section-content">
        <div class="contact-list">
          <div class="contact-item">
            <div class="contact-icon">
              <i class="fa fa-map-marker"></i>
            </div>
            <div class="contact-info">
              <div class="contact-title">公司地址</div>
              <div class="contact-value">北京市海淀区中关村科技园区8号楼15层</div>
            </div>
          </div>
          
          <div class="contact-item">
            <div class="contact-icon">
              <i class="fa fa-phone"></i>
            </div>
            <div class="contact-info">
              <div class="contact-title">联系电话</div>
              <div class="contact-value">400-888-9999</div>
            </div>
          </div>
          
          <div class="contact-item">
            <div class="contact-icon">
              <i class="fa fa-envelope"></i>
            </div>
            <div class="contact-info">
              <div class="contact-title">电子邮箱</div>
              <div class="contact-value">contact@shejiaoquan.com</div>
            </div>
          </div>
          
          <div class="contact-item">
            <div class="contact-icon">
              <i class="fa fa-clock-o"></i>
            </div>
            <div class="contact-info">
              <div class="contact-title">工作时间</div>
              <div class="contact-value">周一至周五 9:00-18:00（法定节假日除外）</div>
            </div>
          </div>
        </div>
        
        <div class="social-links">
          <a href="#" class="social-link" aria-label="微信"><i class="fa fa-weixin"></i></a>
          <a href="#" class="social-link" aria-label="微博"><i class="fa fa-weibo"></i></a>
          <a href="#" class="social-link" aria-label="抖音"><i class="fa fa-music"></i></a>
          <a href="#" class="social-link" aria-label="小红书"><i class="fa fa-book"></i></a>
        </div>
      </div>
    </div>
    
    <!-- 底部链接 -->
    <div class="bottom-links">
      <a href="#" class="bottom-link">隐私政策</a>
      <a href="#" class="bottom-link">用户协议</a>
      <a href="#" class="bottom-link">帮助中心</a>
      <a href="#" class="bottom-link">加入我们</a>
      <a href="#" class="bottom-link">商务合作</a>
      <a href="#" class="bottom-link">意见反馈</a>
    </div>
    
    <!-- 版权信息 -->
    <div class="copyright">
      © 2023 社交圈 All Rights Reserved. 京ICP备12345678号-1
    </div>
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